New Gates water pump for Jeep Grand Cherokee, Jeep Grand Cherokee L, and Dodge Durango with the 3.6L Pentastar V6 ERB engine. Gates part number 44039. OEM cross-reference: 68311108AE. 1-year manufacturer warranty. Fits both gasoline and flex-fuel Pentastar variants. California Prop 65 Warning applies. The 3.6L Pentastar V6 (ERB) is the core engine across the Jeep Grand Cherokee and Dodge Durango lineup. The water pump is a critical cooling system component that circulates coolant through the engine and radiator. A worn or leaking water pump can cause overheating, coolant loss, and eventually serious engine damage if left unaddressed. Symptoms of a failing water pump include coolant weeping from the pump body, bearing noise, or engine temperature creep under normal driving conditions.
